This study examines the impact of psychological capital (PsyCap) on employee well-being over time. PsyCap, consisting of four positive psychological resources—efficacy, hope, optimism, and resilience—is linked to employee well-being. The study analyzed data from 280 employees, measuring PsyCap and two well-being indicators over time. Results showed that PsyCap was positively related to both well-being measures, and that PsyCap explained additional variance in well-being over time. The study highlights the importance of PsyCap in enhancing employee well-being and suggests that interventions aimed at developing PsyCap could improve employee well-being. The findings support the idea that PsyCap is a key resource for promoting employee well-being and that its effects may be more pronounced over time. The study also notes the need for further research on the role of time and the mechanisms by which PsyCap influences well-being. Overall, the study provides preliminary evidence that PsyCap can be a valuable resource for enhancing employee well-being in the workplace.This study examines the impact of psychological capital (PsyCap) on employee well-being over time. PsyCap, consisting of four positive psychological resources—efficacy, hope, optimism, and resilience—is linked to employee well-being. The study analyzed data from 280 employees, measuring PsyCap and two well-being indicators over time. Results showed that PsyCap was positively related to both well-being measures, and that PsyCap explained additional variance in well-being over time. The study highlights the importance of PsyCap in enhancing employee well-being and suggests that interventions aimed at developing PsyCap could improve employee well-being. The findings support the idea that PsyCap is a key resource for promoting employee well-being and that its effects may be more pronounced over time. The study also notes the need for further research on the role of time and the mechanisms by which PsyCap influences well-being. Overall, the study provides preliminary evidence that PsyCap can be a valuable resource for enhancing employee well-being in the workplace.